baber/WOPTO huggingface dataset:
Patent GB-835701-A (GB)
Title: Improvements in and relating to railway wagon retarding devices
Inventor: HURT FRANK
IPC: B61K7/06
Filed: 1956-07-05
Abstract: 835,701. Railway track brakes. COAL INDUSTRY (PATENTS) Ltd. Oct. 7, 1957 [JulyÀ 5, 1956], No. 20906/56. Class 103 (1). In a rail vehicle retarding device in which two  movable braking beams 17 interconnected by toggle levers 22, 23, are disposed between the rails on which the vehicles run, fluid operated pistons 30, 31 disposed in a cylinder 32 cause relative movement of the beams 17 into or out of engagement with the vehicle wheels running on the rails 10. In Fig. 2 of the drawings accompanying the Provisional Specification, the cylinder 32 houses two pistons 30, 31 which may be forced apart by compressed air admitted through a central connection 37 such that the toggle levers 22, 23 assume the position shown in Fig. 2, wherein the beams 17 provided with wooden liners 19 engage the vehicle wheels running on the rails 10. When the connection 37 is connected to exhaust and compressed air is supplied through conduit 39 to the end connections 38 of the cylinder 32, the pistons 30 and 31 are forced together against the action of springs 35 and 36 to draw the beams 17 away from the rails 10. A 4-way valve may be employed to control the supply of air to the appropriate connection. In the event of the compressed air supply failing, the springs 35 and 36 ensure that the beams 17 remain in position to frictionally engage the wheels of the vehicle. Figs. 5 and 6 of the drawings accompanying the Complete Specification show modifications of the retarding device shown above wherein the toggle levers 22, 23 are connected to brackets 21 through pivot bolts 46, 47 and levers 45 and 48, the links 48 being connected through pivot bolts 49 to levers 50 pivoted on bolts 51 in fixed anchorages 52. Secured to the tops of the lever 50 are outer brake members 53 provided with wooden liners 54 when the toggle levers exert an outward force on the levers 45, the beams 17 and members 53 move towards the rails 10 so that the vehicle wheel running on the rail is squeezed between the wooden liners 19 and 54 and thus the vehicle is retarded.
Patent GB-173798-A (GB)
Title: Improvements in variable speed gearing
IPC: F16H9/12
Filed: 1920-07-12
Abstract: 173,798. Decoux, R. July 12, 1920. Expanding-pulley gearing provides means by which the '' no-load " tension of the belt is automatically increased when the gear-ratio is lowered, and vice versa. In Fig.. 2 is shown means for operating pulleys 10, 11 differentially, comprising a lever 13 connected by a link 14 to one and by a cam 16 and cord 15 to the other. Figs. 3 and 4 show spring pulleys in which ordinary spring action is modified.
Patent GB-207583-A (GB)
Title: Improvements in combined heating and cooking stoves
IPC: F24B1/182
Filed: 1922-08-02
Abstract: 207,583. Pascall, F. Aug. 2, 1922. Combined open fire-places and cooking-stoves; convertible close and open fire-places; combined solid-fuel and gas stoves.-In a combination open fire-place and range the gases pass beneath and up the back of a boiler to flues surrounding an oven o, the side flues f being also utilized for heating hotclosets n arranged at each side of the oven. The flues f are formed by removable partitions p provided with cleaning doors q which are so arranged that they are concealed by the doors n' of the hotclosets n.The hot-plate covering the fuel space b is formed of two parts h<1>, h<2> which are either slidable laterally beneath fixed hobs i or, as shown in Fig. 5, hinged and provided with downwardlycranked portions h<5> adapted, when a closed fire is used, to lie beneath the hobs i. Plates x are hinged to the back-plate of the stove and may be either pushed inwards to lie against the backplate or swung outwardly to the position shown in Fig. 1 where they form sides of additional hotclosets l provided with doors m. On each side of the fire is a forwardly-projecting hob r which may be fitted with a gas ring, grill or the like.
Patent GB-1343044-A (GB)
Title: Manufacture of organic esters of mercapto carboxylic acids
IPC: C07C/
Filed: 1971-04-19
Abstract: 1343044 Mercapto carboxylic acids CIBAGEIGY AG 19 April 1971 [6 Feb 1970] 21138/71 Heading C2C  A mercapto carboxylic acid is extracted from its aqueous solution in the form of an ester by extracting the aqueous solution with a medium comprising a non-esterifying polar organic solvent for the mercapto carboxylic acid and a primary or secondary alcohol for the esterification thereof, the alcohol being present in stoichiometric proportion or up to 20% excess over stoichiometric proportion relative to the mercapto carboxylic acid and subjecting the organic phase obtained by such extraction to distillation to separate unreacted non esterifying polar organic solvent and alcohol and water formed by esterification of the acid by the alcohol. In an example an aqueous solution of thioglycolic acid is extracted with a mixture of 2-ethyl hexanol and tetrahydrofuran.
Patent GB-608761-A (GB)
Title: Improvements in or relating to constructional toys or other articles
IPC: A63H33/10
Filed: 1946-08-20
Abstract: 608,761. Table articles. ELLIS, A. Aug. 20, 1946. No. 21178/45. [Classes 52(ii) and 128] [Also in Group XV] Miscellaneous table articles such as toast racks may be constructed from a kit comprising tubular parts 1, Fig. 1, of various shapes and sizes, the ends of which are of uniform diameter and adapted to be received directly in tight-fitting relationship in the sockets 3 of angular jointing pieces 4, Figs. 2 to 7. The ends of the tubes may be bifurcated as shown at 2, Fig. 1, and they may be joined together by means of sleeves lx, Fig. 1. The kit includes wheels 5, Fig. 8, adapted to receive axle bearings 6, Fig. 9, by the medium of, for example, an axle tube passing through the hole 7 of the axle bearings. The latter have sockets 3 similar to the sockets formed in the angular jointing pieces. The kit may include a base member 8 with sockets 9, Fig. 11, and a spherical jointing member 10 having sockets 11, Fig. 12. Other articles which may be constructed with the kit include light stands for display purposes, clothes racks, cake stands and towel rails, while miniature forms of the kit may be used for the building of toys [see Group XV].
Patent GB-1110229-A (GB)
Title: Supporting board for switching devices
IPC: H05K3/28
Filed: 1965-05-19
Abstract: 1,110,229. Laminates. LICENTIA PATENTVERWALTUNG-G.m.b.H. 19 May, 1965 [19 May, 1964], No. 21189/65. Heading B5N. [Also in Division H2] A flexible printed circuit is pressed between two layers of insulating material to form a supporting board for electric switches, the board being suitably shaped, e.g. stepped, by the pressing operation to serve as a wall of a housing for the switches which, in the final assembly, are interconnected by the printed circuitry.
Patent GB-1275405-A (GB)
Title: Method and apparatus for making a cigarette filter rod
Inventor: SYLVESTER HERBERT ARTHUR
IPC: A24D3/02
Filed: 1968-05-03
Abstract: 1275405 Tobacco-smoke filters CARRERAS Ltd 5 June 1969 [3 May 1968] 21216/68 Heading A2C [Also in Division B6] A continuous embossed web, formed by a continuous embossing process (see Division B6), is formed into a cigarette-filter rod. The web may be of paper, plastics film, paperplastics laminates, metal foil, staple or continuous filament fibres, or tobacco product sheet material.
Patent GB-1350458-A (GB)
Title: 2-formyl-propylthio compounds and their use as vulcanisation re tarders
IPC: C07D209/48
Filed: 1971-04-19
Abstract: 1350458 N-(2-formyl-propylthio) compounds BAYER AG 19 April 1971 [7 Feb 1970] 21270/71 Heading C2C The invention comprises compounds of the formula in which X and Y are alkyl, cycloalkyl, aralkyl, aryl, R 1 CO- (in which R 1  is hydrogen, alkyl, aralkyl or aryl), R 2 SO 2 - (in which R 2  is alkyl, cycloalkyl, aralkyl, aryl, dialkylamino or dicycloalkylamino) or OHC.C(CH 3 ) 2 S-; or X and Y together with the N make up a 3-7 membered heterocyclic ring system (including those derived from dicarboxylic acid imides); and their production by resisting XYNH with OHC.C(CH 3 ) 2 SCl in the presence of an acidbinding agent at - 50 C. to + 50 C. The compounds are used as vulcanization retarders for natural or synthetic rubbers (see Division C3).
Patent GB-1028569-A (GB)
Title: Mixed esters of polyhydric alcohols
IPC: C07C69/30
Filed: 1964-05-22
Abstract: Fully esterified esters of a polyhydric alcohol of the general formula. <FORM:1028569/C4-C5/1> wherein R is a C1 to C6 alkyl group or a -CH2OH group, which ester is obtained by the esterification of the polyhydric alcohol with (a) 1 to 2 molecular proportions of a no alpha hydrogen carboxylic acid of the general formula <FORM:1028569/C4-C5/2> wherein R11 is a C3 to C12 alkyl group and R1 is a C1 or C2 alkyl group, and (b) a straight-chain C4 to C14 fatty acid can be used per se as the base oil for a lubricant, or can be blended in any proportion with other high temperature synthetic oils, e.g. polysilicones, polyphenyl ether, no beta hydrogen diesters or complex esters, or can be added to conventional lubricating oil esters, e.g. di-2-ethylhexyl sebacate, to upgrade said conventional esters.  Various other additives, including rust preventatives; V.I. improvers; oxidation inhibitors; load carrying agents; pour point depressants; and grease thickeners may be added to the lubricating oil compositions of the invention in amounts of about 0.001 to 10.0 weight per cent each.  Reference has been directed by the Comptroller to Specification 884,660.ALSO:The invention comprises a fully esterified ester of a polyhydric alcohol of the general formula <FORM:1028569/C2/1> wherein R is a C1 to C6 alkyl group or a-CH2OH group, which ester is obtained by the esterification of the polyhydric alcohol with (a) 1 to 2 molecular proportions of a no alpha hydrogen carboxylic acid of the general formula <FORM:1028569/C2/2> wherein R11 is a C3 to C12 alkyl group and R1 is a C1 or C2 alkyl group, and (b) a straight-chain C4\t to C14 fatty acid.  The esterification may be effected by heating under reflux conditions until the stoichiometric quantity of water is removed. Water entraining agents, e.g. heptane or toluene, and esterification catalysts, e.g. sodium acid sulphate, sulphuric acid or p-toluene sulphonic acid, may be present in the reaction mixture.  Reference has been directed by the Comptroller to Specification 884,660.
Patent GB-815246-A (GB)
Title: Process for the preparation of new complex compounds of glycerine-di-fatty acid-phosphoric acid amino-alcohol esters with sugars
IPC: C07F9/10
Filed: 1956-07-10
Abstract: A complex compound of a glycerine-di-fatty acid-phosphoric acid amino alcohol ester with a sugar is obtained by allowing the ester to act on a hot solution of the sugar in aqueous ethyl alcohol with stirring.  The complex compound is not soluble in aqueous ethyl alcohol but forms therewith a stable emulsion.  Grape sugar is the preferred sugar.  A glycerine-1,2-di-fatty acid-3-phosphoric acid amino alcohol ester or a glycerine-1,3-di-fatty acid-2-phosphoric acid amino alcohol ester may be used and the fatty acid residues in these esters may be saturated or unsaturated and may contain 16 to 22 carbon atoms. In an example, a boiling 10 per cent aqueous solution of grape sugar is mixed with boiling 96 per cent aqueous ethyl alcohol while stirring and 1-palmityl-2-oleyl-glycerine-3-phosphoric acid b -amino ethyl ester or 1 - stearyl - 2 - oleyl - glycerine - 3 - phosphoric acid b -(hydroxy trimethyl ammonium)-ethyl ester or 1-palmityl-3-oleyl-2-phosphoric acid b -aminoethyl ester, the ester being first heated to about 40 DEG  C., is added portionwise and slowly to the mixture with constant stirring, the temperature of the reaction mixture being kept at 82 DEG  to 87 DEG  C.  The stirring is continued for another 4 minutes after the addition, a stable emulsion being obtained.ALSO:A therapeutic composition comprises an emulsion in aqueous ethyl alcohol of a complex compound of a glycerine-di-fatty acid-phosphoric acid amino alcohol ester with a sugar, said emulsion being obtained by allowing the ester to act on a hot solution of the sugar in aqueous ethyl alcohol with stirring (see Group IV (b)).  Specified emulsions are those obtained by reacting a hot aqueous ethyl alcohol solution of grape sugar with 1-palmityl-2-oleyl-glycerine-3-phosphoric acid b -amino ethyl ester, 1 - stearyl - 2 - oleyl - glycerine - 3 - phosphoric acid b -(hydroxy trimethyl ammonium)-ethyl ester and 1-palmityl-3-oleyl-2-phosphoric acid b -aminoethyl ester respectively.  The emulsions should preferably contain at least 10 per cent by weight of the complex compound and a sugar content of at least 6 per cent by weight.
Patent GB-222634-A (GB)
Title: Improvements in and relating to resistance control apparatus
IPC: H01C10/26
Filed: 1923-08-24
Abstract: 222,634. Igranic Electric Co., Ltd., (Cutler-Hammer Manufacturing Co.). Aug. 24, 1923. Composite units. - Resistances are made in the form of a coating of a soft conductive material in an annular but interrupted pat'h on the periphery of an insulating element, and are combined with a condenser. The coating 10 of graphite or the like on the periphery of a disc 9 of insulating material carried by a supporting plate 5 is interrupted by a saw-cut or gap 11. The disc 9 is axially rotatable about a conducting hub 12 to which it is rigidly connected, and a conducting wire 16 connected at one end to one end of the coating 10 lies in a radial slot 14 and in a centrally located depression 15 in the disc. The conducting wire 16 is of somewhat larger diameter than the slot and is compressed against and thus connected to an annular flange 13 on the hub 12. An operating handle 28 is locked to a screw 27 on which the hub 12 is locked, a washer 21 being interposed between the disc 9 and supporting plate 5, through which the screw passes. A resilient metallic member 22 connected by terminal screws 23 to the plate 5 has an off-set resilient portion 24 with an aperture 25 to receive and bear against a reduced axial extension 18 of the hub 12 to hold it and the disc in place. The co-operating contactor for the coating 10 comprises a brush 34 of graphite or the like mounted in a passage 33 in a stud 30 mounted on the panel 5. The brush is pressed against the coating by a spring clip 35 connecting it with the screw terminal 32 of the stud 30. A condenser 44 may be attached, one terminal 43 to the terminal 32 of the resistance. and the other condenser terminal 45 may be connected by an adjustable slotted member 37 to the terminal resistance member 22. A strip of metal 39 with a hole 40 may provide a single means of support.
Patent GB-1136495-A (GB)
Title: A mineral mining installation
IPC: E21C35/12
Filed: 1966-05-16
Abstract: 1,136,495. Mineral-mining machine guidance. GEWERKSCHAFT EISENHUTTE WESTFALIA. 16 May, 1966 [14 May, 1965], No. 21644/66. Heading E1F. In a mineral mining installation in which a mining machine is drawn along a conveyor 3, the machine has a guide beam formed of a number of guide members having limited possibilities of movement in relation to the machine so as to allow of satisfactory accommodation of irregularities occurring in the beam-guidance means 5 extending along the conveyer. The beam may comprise suitably configured bobbins 4 loosely strung on a carrier, or a resilient bar, or stressed cables. The beamguidance means may comprise supports 5 spaced at intervals along the trough sections of the conveyer.
Patent GB-574041-A (GB)
Title: Improvements in valve seat grinding tools
IPC: B24B15/00
Filed: 1943-12-24
Abstract: 574,041. Grinding valve seats. DEHN, F. B. (Hall Mfg. Co.). Dec. 24, 1943, No. 21660. [Class 60] An eccentric valve seat grinding-tool comprises a stationary sleeve adapted to be mounted on a pilot stem, and carrying an encircling grinding-wheel spindle rotatable on its axis, and movable on a mount in a path eccentric to the sleeve. The valve seat 2 to be ground has an associated valve stem guide 4, in which is mounted a pilot stem 3, and adapted to be mounted on the stem is a sleeve 15 screwed at its upper end into a bushing 14 mounted in an opening 11 in a housing 10, the housing also having a lower and larger diameter opening 12 concentric with the opening 11. The sleeve receives an internal screwed depth gauge stem 16 and carries rotatably an eccentric sleeve 17, supported between a flange 18 and a gasket 19 and carrying at its upper end a spiral gear 21 ; the sleeve also has rotatably mounted thereon, on ball bearings 24, a hollow spindle 23 having screwed on its lower projecting end the hub sleeve 31 of a grinding-wheel 30. The sleeve 17 and spindle 23 are driven by a flexible shaft 35 connected to a shaft 37 in the housing 10, the shaft 37 having thereon a spur gear 38 driving a gear 39 on the spindle 23, and a worm 40 driving, through a countershaft, the gear 21; the grinding-wheel thus rotates at high speed and is moved slowly in an eccentric path around the seat 2. The depth gauge stem 16 and the stem 3 are connected together by a rod 46 screwed into the stem 16 and having a head 47 at its lower end adapted to be turned by a wrench etc.; the head is engaged by a washer 51 acted on by a spring 50 located in a nut 48 screwed on the stem 3 against a collet 49, so that the pilot stem 3 may be handled as a unit with the grinding-machine.
Patent GB-510923-A (GB)
Title: Improvements in or relating to heating apparatus
IPC: F23C3/00
Filed: 1938-07-21
Abstract: 510,923. Gas burners; pilot-jets. BRITISH FURNACES, Ltd. (Surface Combustion Corporation). July 21, 1938, No. 21686. [Classes 75 (i) and 75 (iii)] In a heat radiator tube 10 to which gas is supplied through an annular chamber 20 and pipes 19 for combustion with air drawn into the tube by a suction producing device, such as a fluid ejector, the ignition of the gas is maintained irrespective of pulsations in the tube by means of an atmospheric pilot burner 34 firing tangentially into a chamber 31 intermediate the ends of a passage 32 in a refractory body 30 so that the flame moves in a helical path along the passage before emerging from the tubular extension 28 into the path of flow of the gas. The chamber 20 is connected by spaced bars 23 to a ring 24 secured to a ledge 25 on the mouth 21 of the tube 10. In the pilot burner 34, gas issuing from the nozzle 39 entrains some air into a short mixing-tube 42 and the mixture issuing from the latter entrains the balance of the air into the mixing passage 36 in the refractory body 35. An air regulator 46 is mounted on the nozzle 39. The end 33 of the passage 32 is preferably open to serve as an inspection and lighting hole and prevent extinction of the pilot flame by pulsations coming from the tube 10, holes 29 being provided in the tube 28 to dampen the pulsations. Gas may be supplied through a tube 46a, under control of a valve 47, to extend the name issuing from the tube 28.
Patent GB-440624-A (GB)
Title: Improvements in brushes
IPC: A46B3/16
Filed: 1935-07-31
Abstract: 440,624. Brushes. LIVERPOOL PATENTS CO., Ltd., and HOPE, W. E., 16, Chapel Walks, Liverpool. July 31, 1935, No. 21751. [Class 19] Bristles 1 are fixed in stocks 5 by looping them through perforations 4 so that shanks 2, 3 protrude. The bristles are preferably threaded through adjacent perforations and are restrained from axial movement by a cap 6 which does not bear rigidly on the loop but solely forms an abutment to prevent the bristles being pushed through the holes 4. Brushes so made may be used for any purpose, particularly tube cleaning, being rotated on a flexible shaft. The cap 6 may be of larger diameter than the holder 5 to form a guide to the brush in tube work.
Patent GB-226586-A (GB)
Title: Improvements in or relating to variable self-induction apparatus
IPC: H01F21/00
Filed: 1923-08-29
Abstract: 226,586. Marrec, Ltd., and Marrec, Y. Aug. 29, 1923. Inductances.-A variable inductance comprises a length of wire or strip the end portions of which are wound inductively on two drums, the middle point of the wire being fastened to a third drum on which the remainder of the wire is wound non- inductively. The drums are connected by gearing. The conductor may be of round, square or rectangular section, and mav be wound in helical grooves on the drums, or it may be flat strip wound in a plane spiral. The drums may be of such cross-section as to provide a special relation between the inductance and the amount of turning. The inductive windings may be provided with magnetic cores which may be independent or coupled. According to the Provisional Specification the drums may be connected by friction gearing to allow slip when, as in the case of flat spiral windings, the speed ratio is variable. In a modification gearing is dispensed with, the wire being kept in tension by a spring applied to one of the drums.
Patent GB-481432-A (GB)
Title: Improvements in or relating to a method of brightly annealing elongated, and more particularly rigid metal bodies such as tubing
IPC: C22F1/00
Filed: 1936-08-07
Abstract: 481,432. Annealing metals. SCHINCKE, 0. Aug. 7, 1936, No. 21855. [A Specification was laid open to inspection under Sect. 91 of the Acts, April 19, 1937.] Drawings to Specification. [Class 51 (ii)] Bright annealing of elongated rigid bodies such as copper tubes or rods is effected by passing them through a straight muffle, open at one or both ends, and comprising a heating-zone at a temperature of not less than 900‹ C. and a cooling zone, the length of the muffle in relation to its diameter being such that a quiescent atmosphere is permanently maintained in the heated zone. If the muffle is horizontal and open at both ends its length must be at least 120 times its diameter, while if the muffle is inclined and water-sealed at its lower end, a 60 : 1 ratio of length to diameter is necessary. Once the oxygen in the quiescent atmosphere has been removed, e.g. by displacement with a non-oxidizing gas, bright annealing can be continuously effected without further supply of protective gas, or any special precautions for preventing infiltration of air at the open end or ends of the muffle. In two forms of the invention described, one inclined and the other horizontal, there is a substantial length of muffle extending at each end outside the furnace proper. The muflle is preferably made of heat-resisting steel. Specifications 324/06, [Class 51], 116,605, and 222,566, [both in Class 51 (ii)], are referred to.
Patent GB-1006101-A (GB)
Title: Improvements in or relating to manhole covers
IPC: G09F3/02
Filed: 1962-06-06
Abstract: 1,006,101. Manhole cover assemblies. H. ZEISING. June 6, 1962 [June 6, 1961], No. 21938/62. Heading E1G. A manhole cover and the seating surface of a supporting frame are formed with at least one tapered projection on one engaging in a corresponding number of tapered recesses in the other, the or each projection having a different angle of taper from that of its associated recess and being of such a size relative to the recess that surface engagement therewith is restricted and a space is left at the bottom of the recess. A plurality of projections c and d, Fig. 21, forming recesses, with different angles of taper α and #, between them may be uniformly distributed about the rim of the cover and the seating surface. The projections may be truncated cones or pyramids or of truncated triangular vertical section, Fig. 11. They may be arranged in two staggered rows, Fig. 4. In an alternative embodiment, Fig. 18, a single continuous web L on the cover engages in a recess in the frame (not shown).